EP 0397853 B1 19930310 - INHIBITION OF COKE FORMATION DURING VAPORIZATION OF HEAVY HYDROCARBONS
Title (en)
INHIBITION OF COKE FORMATION DURING VAPORIZATION OF HEAVY HYDROCARBONS
Publication
Application
Priority
US 27899988 A 19881202
Abstract (en)
[origin: WO9006351A1] An improved process for vaporizing a crude petroleum feedstock, preferably one boiling in the vacuum gas oil range or higher, prior to thermal cracking to olefins (8), wherein such feedstock is preheated (2, 3), in one or more stages, in the convection section of a tubular steam cracking furnace (1), characterized by hydrogen, preferably at a hydrogen/feed ratio of from about 0.01 to about 0.15 wt. %, so as to inhibit coke formation.
IPC 1-7
IPC 8 full level
C10G 47/22 (2006.01); C10G 9/00 (2006.01); C10G 9/36 (2006.01)
CPC (source: EP US)
C10G 9/00 (2013.01 - EP US); C10G 2400/20 (2013.01 - EP US)
Designated contracting state (EPC)
BE DE ES FR GB IT NL
DOCDB simple family (publication)
WO 9006351 A1 19900614; BR 8907217 A 19910305; CA 2003080 A1 19900602; CN 1015903 B 19920318; CN 1043154 A 19900620; DE 68905333 D1 19930415; DE 68905333 T2 19931014; EP 0397853 A1 19901122; EP 0397853 B1 19930310; ES 2045899 T3 19940116; JP H02503693 A 19901101; JP H0641588 B2 19940601; KR 910700321 A 19910314; KR 930004158 B1 19930521; US 5190634 A 19930302
DOCDB simple family (application)
US 8905183 W 19891120; BR 8907217 A 19891120; CA 2003080 A 19891116; CN 89109037 A 19891201; DE 68905333 T 19891120; EP 90901194 A 19891120; ES 90901194 T 19891120; JP 50126090 A 19891120; KR 900701683 A 19900802; US 27899988 A 19881202